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For the Inventor, By the Inventor

Saratoga, CA, United States of America

David Chiang

This inventor holds 31 USPTO granted patents, primarily in Programmable Logic Devices. Top assignees: Xilinx, Inc., Altera Corporation, Sage-N Research, Inc.. Active years: 1992-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Chiang. Retrieved from https://idiyas.com/inventor/david-chiang-rit1szfy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 31

% Patents Active = 90.3

Average Co-Inventor Count = 1.7

ph-index = 16

Forward Citations = 1,038(Granted Patents)


Location History:

  • Oceanside, CA (US) (2006)
  • Saratoga, CA (US) (1992 - 2011)

Company Filing History:

goldMedal22 out of 5,112 
 
Xilinx, Inc.
 patents
silverMedal5 out of 4,334 
 
Altera Corporation
 patents
bronzeMedal2 out of 2 
 
Sage-N Research, Inc.
 patents
4. 2 out of 834,570 
Other
 patents

Years Active: 1992-2011

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Areas of Expertise:
Programmable Logic
Circuit Design
Power Management
EPLD Architecture
Antifuse Circuit
Macrocell Design
Memory Devices
Clock Programming
Signal Interconnects
Data Recovery
Noise Reduction
Voltage Stabilization
31 patents (USPTO):Explore Patents
1. 7962489 - Indexing using contiguous, non-overlapping ranges (2011-06-14),
2. 7464088 - Architecture for efficient pattern match operations (2008-12-09),
3. 7024808 - Neon sign arrangement (2006-04-11),
4. 6172519 - Bus-hold circuit having a defined state during set-up of an in-system programmable device (2001-01-09),
5. 6018250 - Programming method to enable system recovery after power failure (2000-01-25),
6. 5898602 - Carry chain circuit with flexible carry function for implementing (1999-04-27),
7. 5784577 - Automated control system for programming PLDs (1998-07-21),
8. 5764076 - Circuit for partially reprogramming an operational programmable logic (1998-06-09),
9. 5742178 - Programmable voltage stabilizing circuit for a programmable integrated (1998-04-21),
10. 5570051 - Multiplexed by-passable memory devices with increased speed and improved (1996-10-29),
11. 5565792 - Macrocell with product-term cascade and improved flip flop utilization (1996-10-15),
12. 5530378 - Cross point interconnect structure with reduced area (1996-06-25),
13. 5506878 - Programmable clock having programmable delay and duty cycle based on a (1996-04-09),
14. 5506523 - Sense circuit with selectable zero power single input function mode (1996-04-09),
15. 5506518 - Antifuse-based programmable logic circuit (1996-04-09),

Title: David Chiang - Innovator in Data Indexing and Pattern Matching

Introduction

David Chiang is a prominent inventor based in Saratoga, California, with an impressive portfolio of 31 patents. His work primarily focuses on innovative methods for data indexing and systems architecture aimed at enhancing performance in data processing applications. His contributions have had a significant impact on how large datasets are searched and managed efficiently.

Latest Patents

Among David's latest patents is a groundbreaking method for indexing using contiguous, non-overlapping ranges. This invention addresses the challenge of efficiently constructing and using an index for searches in large datasets. By dividing datasets into discrete 'buckets' based on attribute values, the method provides a way to create static and dynamic index segments that optimize search time and storage requirements.

Another notable patent involves an architecture for efficient pattern match operations. This innovation includes a host computer and a pattern match accelerator (PMA) with multiple pattern match units (PMUs) designed to enhance the performance of pattern matching applications. Each PMU features main memory and programmable logic devices (PLDs) that streamline the search and score operations on database portions, ensuring rapid and effective results.

Career Highlights

David has worked with leading technology companies, including Xilinx, Inc. and Altera Corporation. His experience at these organizations has allowed him to apply his inventive prowess in practical settings, contributing to significant advancements in the field of data processing and indexing technologies.

Collaborations

Throughout his career, David has collaborated with esteemed colleagues such as Nicholas Kucharewski, Jr. and Thomas Y Ho. These partnerships have been instrumental in facilitating innovative research and the development of cutting-edge solutions that push the boundaries of current technologies.

Conclusion

David Chiang's contributions to the fields of data indexing and pattern matching are a testament to his innovative spirit and technical expertise. With 31 patents to his name, his work continues to influence how data is managed and processed, paving the way for future advancements in technology. His collaborations and career at leading tech companies provide a solid foundation for ongoing innovation in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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